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[Yaesu] Yaesu FT1000MP Noise Blanker and Intermod

To: <yaesu@contesting.com>
Subject: [Yaesu] Yaesu FT1000MP Noise Blanker and Intermod
From: "Robert L. Shohet" <kq2m@earthlink.net>
Date: Wed, 23 Feb 2011 17:14:41 -0500
List-post: <yaesu@contesting.com">mailto:yaesu@contesting.com>

I have a recent and significant line noise problem at my qth.
In the past, I was fairly successful at using the FT1000MP NoiseBlanker(s)
to take filter it out but now when there are signals on the band greater 
about S5-6, the resulting intermod is such that it obliterates weaker
signals calling me.

The intermod sounds a lot like the line noise itself, but I only hear it 
the station is transmitting and is reasonably close in frequency to me.

This was a huge problem this past ARRLDXCW weekend as the line noise
was very loud and I had to crank the NB to maximum to remove it.

With the intermod, if the station calling wasn't at least s6-7, I could not 

I have had all the typical FT1000MP mods installed, including the W8JI key 
mod and AF gain mod and I also use the International Radio Roofing filter.

Is there anything that I can do with the MP to reduce the intermod/NB 
so that I can copy signals?

Please let me know.  Tnx & 73

Bob KQ2M

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